US20130061559A1 - Device for arranging a sleeve-like foil envelope around an object as well as a spreading element for use in such a device - Google Patents
Device for arranging a sleeve-like foil envelope around an object as well as a spreading element for use in such a device Download PDFInfo
- Publication number
- US20130061559A1 US20130061559A1 US13/394,439 US201013394439A US2013061559A1 US 20130061559 A1 US20130061559 A1 US 20130061559A1 US 201013394439 A US201013394439 A US 201013394439A US 2013061559 A1 US2013061559 A1 US 2013061559A1
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- US
- United States
- Prior art keywords
- spreading element
- foil
- guide rollers
- sleeve
- rollers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
- B65B9/14—Devices for distending tubes supplied in the flattened state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/38—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses
- B29C63/42—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses using tubular layers or sheathings
- B29C63/423—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses using tubular layers or sheathings specially applied to the mass-production of externally coated articles, e.g. bottles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C3/00—Labelling other than flat surfaces
- B65C3/06—Affixing labels to short rigid containers
- B65C3/065—Affixing labels to short rigid containers by placing tubular labels around the container
Definitions
- the invention relates to a device for arranging a sleeve-like foil envelope around an object, comprising supply means for supplying said sleeve-like foil envelope around at least one spreading element in a horizontal orientation, as well as discharge means for discharging the sleeve-like foil envelope from the device and arranging it around the object, wherein said spreading element has an inlet side configured as a flat element portion, an outlet side and a transition area located between said inlet side and said outlet side, and wherein said spreading element widens towards the transition area in a direction perpendicular to the plane of the flat element portion, whilst the spreading element has an at least substantially constant circumference at least in the direction from the inlet side to the transition area.
- the invention also relates to a spreading element for use in such a device.
- Such a device is disclosed in, for example, European patent application no. 0763498.
- the foil envelope has been pre-produced in the form of a continuous strip, which is wound on a supply reel and which is to be cut to the correct length by means of a device as described in the introductory paragraph.
- the individual flat sleeve-like foil envelopes must subsequently be opened by means of a spreading element and be arranged around an object, such as a bottle or a container, with some oversize.
- the foil material used therewith is made of a so-called shrink material, which shrinks as a result of heat being applied and which forms with a close fit to the shape of the bottle or container around which the sleeve-like envelope has been arranged.
- a drawback of the known device is that it is only suitable for use with thick or stiff foil materials in order to thus realise a high handling rate.
- the handling rate must be reduced in order to prevent undesirable jamming of the device. Said jamming of the device is caused by friction and creasing phenomena, among other factors, which manifest themselves more strongly when thin foils are being handled.
- the foil material becomes distorted when the flat strip of foil material is being supplied around the spreading element, which may result in undesirable material stresses in the material, which may lead to damage and/or rupture. Furthermore, the foil material cannot be adequately arranged around the product in that case and, on the other hand, the distortions in the material may lead to blocking and standstill of the device.
- the object of the invention is to obviate these drawbacks, and in order to accomplish that object the device is characterised in that the spreading element has an at least substantially constant circumference, at least in the direction from the inlet side to the outlet side, such that the foil material being carried over the spreading element will cover substantially the same distance on all sides of the spreading element upon being converted from a flat foil sleeve to an open foil sleeve.
- the spreading element can be supported on the discharge means, which discharge means are located in the plane of the flat element part, the spreading element being provided with a first set of opposite first guide rollers at the location of the transition area, which first guide rollers can be supported on a drivable first drive roller that forms part of the discharge means.
- the spreading element can be freely suspended in the device. This enables easy re-setting of the device for another type or sort of foil material and a corresponding spreading element.
- the crease formed upon deformation of the foil material into a sleeve may be smoothed out, so that the sleeve will have a rounder shape, making it easier to arrange the sleeve over the product.
- the spreading element can be supported on the discharge means, wherein the spreading element is in particular provided with a first set of opposite first guide rollers at the location of the transition area, which first guide rollers can be supported on one of the drivable first drive rollers that form part of the discharge means.
- Said set of opposite first guide rollers may consist of two guide rollers.
- the spreading element is provided with a second set of opposite second guide rollers near its outlet side, which second guide rollers can be supported on one of the drivable second drive rollers that form part of the discharge means.
- Said second set of opposite second guide rollers may consist of two guide rollers.
- All pairs of rollers consisting of a driven roller and a guide roller are in continuous contact with the driving gear, making it possible to realise high rates of movement or accelerations of the foil material through the device without subjecting the foil to inertia forces. Furthermore, this makes it possible for the foil material to be automatically fed into the device, so that re-setting the device can take place more efficiently, since it is no longer necessary in that case to guide the foil material manually between and past the various rollers.
- the guide rollers may be accommodated in recesses provided in the spreading element, small overall dimensions can be realised, whilst exchanging the spreading element in the device can take place in a quick and efficient manner.
- At least the first drive rollers are according to the invention at least partially provided with a contact surface that has a lower coefficient of friction than the guide rollers.
- Said contact surface may be made of plastic material, for example.
- the discharge means may be provided with orientation means for orienting the spreading element in the device, in particular perpendicularly to the device. This makes it possible to realise a correct fixation and orientation of the spreading element in the device, whilst also the exchanging operation can be carried out quickly and without additional adjusting operations being required.
- Said orientation means may comprise at least one ridge formed on the first drive rollers, which ridge engages in the first guide rollers.
- the foil exhibits a single curved plane near the driven pairs of rollers, so that the occurrence of stresses in the foil will be minimal.
- the element portion has a cylindrical, an oval or a polygonal shape.
- FIG. 1 shows an embodiment of a device according to the prior art
- FIGS. 2 a and 2 b are views of an embodiment of a spreading device according to the invention.
- FIGS. 3 a and 3 b are views showing another aspect of a spreading element according to the invention.
- numeral 10 indicates a device according to the prior art.
- the device 10 comprises supply means or conveying means 12 built up of two drivable rollers, between which a continuous strip of foil material 1 can be passed.
- the continuous strip of foil material 1 is wound on a supply reel 11 and is introduced into the device via a tensioning mechanism 13 .
- the tensioning mechanism 13 comprises an arm 13 a , which is pivotally connected to the device.
- the pivot arm 13 a has several rollers 13 b , over which the continuous strip of sleeve-like foil material 1 is passed.
- the strip of sleeve-like foil material 1 is also passed over additional, fixedly disposed rollers 13 c . In this way it is possible on the one hand to realise a certain amount of stock in the continuous strip of sleeve-like foil material being unwound from the real 11 , but above all it is possible to set up a certain tension therein.
- the supply means 12 carry the continuous strip of sleeve-like foil material 1 past cutting means 14 for cutting the foil material 1 through at certain intervals so as to obtain individual sleeve-like foil envelopes 1 ′. All kinds of embodiments of the cutting means 14 are possible, which embodiments can be assumed to be known to those of average skill in the art.
- a spreading element 19 is provided at the location of the cutting means 14 and the discharge side of the device 10 , which element functions to open the obtained individual flat sleeve-like foil envelopes 1 ′ for arranging the open sleeve-like foil envelope around a container 2 .
- the spreading element 19 is widened at least in the plane perpendicular to the plane of the flat continuous strip of foil material 1 .
- the individual flat sleeve-like foil envelopes . . . - 1 ′ ⁇ 1 - 1 ′ 0 - 1 ′ +1 - . . . are opened, so that they can be readily arranged around a container . . . - 2 ′ 1 - 2 ′ 0 - 2 ′ +1 - . . . .
- the containers . . . - 2 ′ ⁇ 1 - 2 ′ 0 - 2 ′ +1 - . . . are moved by conveying means, which are assumed to be known per se, which conveying means 21 comprise a carrier 21 a , on which several containers (bottles, jars or cans) are present, which containers are conveyed to the device 10 .
- Each individual flat sleeve-like foil envelope . . . - 1 ′ ⁇ 1 - 1 ′ 0 - 1 ′ +1 - . . . is opened by the spreading element 19 and cut loose from the strip of foil material 1 by the cutting means 14 , whereupon the thus opened sleeve-like foil envelope can be easily arranged over a container . . . - 2 ′ ⁇ 1 - 2 ′ 0 - 2 ′ +1 - . . . that is ready and waiting.
- discharge means 20 may be provided, which are incorporated in the device at the location of the spreading element 19 .
- Said discharge means may comprise one or more drivable rollers 20 a , which are supported on the stationary rollers 20 b and which discharge the sleeve-like foil material 1 ′ extending therebetween from the device 10 at an accelerated rate, with the individual, opened foil envelope . . .
- the foil envelope When a sleeve-like foil envelope 1 ′ is to be arranged around a container 2 , the foil envelope needs to be placed in an open position by the spreading element 19 so as to make it possible to arrange the envelope quickly and easily over the container 2 .
- FIGS. 2 a and 2 b show embodiments of a spreading element or mandrel 190 according to the invention.
- the spreading element 190 comprises a flat element portion 190 a , which is configured as a flat plate having edges 193 .
- the flat element portion 190 a functions as an inlet side for the sleeve-like foil envelopes 1 , which are supplied to the device in a flat orientation.
- the spreading element 190 must open the flat foil envelope 1 ′ placed over the flat element portion 190 a . It is desirable in that regard for the foil material to be deformed without stress concentrations in the foil material leading to distortions or tears, which would result in jamming and/or standstill of the device.
- the spreading element 190 comprises a transition area 194 , in which the spreading element 190 widens from the flat element portion 190 a towards the transition area 194 in a direction perpendicular to the plane of the flat element portion (and consequently also of the flat sleeve-like foil envelope).
- This is clearly shown in FIG. 2 b by means of reference numerals 196 , which clearly indicate the widening of the flat element portion 190 a towards the transition area 194 .
- the flat element portion 190 a is so constructed that it narrows towards the transition area 194 , seen in the plane of the flat element portion. This is illustrated by means of the flange edges 193 in FIGS. 2 a and 2 b , which flange edges have a curved but inwardly extending construction.
- the spreading element is constructed so that it has a substantially constant circumference, at least in the direction from the inlet side (or the flat element portion 190 a ) towards the transition area 194 , more in particular a substantially constant circumference towards the outlet side.
- This configuration of the flat element portion 190 a makes it possible to realise an efficient deformation of the flat sleeve-like foil element to an open sleeve-like foil element, which can be arranged around a product 2 , without any disadvantageous material stresses occurring.
- the spreading element 190 has a cylindrical shape near the outlet side 190 b , in which connection it is noted that the external dimension of the spreading element 190 at the location where the open sleeve-like foil element 1 ′ is arranged around the product 2 0 is larger than the dimension of the spreading element 190 at the transition area 194 , which is represented as being square.
- the spreading element 190 may also have a different shape, however, such as an oval shape or a polygonal shape, such as a square, a rectangular or a multiangular shape.
- the spreading element 190 is to that end provided with two recesses 195 a - 195 b at the location of the transition area, which recesses are formed by material removed from the spreading element, the functionality of which recesses will be discussed yet hereinafter.
- the spreading element 190 can be freely suspended in the device, being supported on the discharged means 12 , as is clearly shown in FIG. 2 a .
- Reference numeral 12 indicates a first set of two opposite first drive rollers, which are fixedly connected to an immovable structure or to the frame structure of the device.
- the spreading element 190 can be positioned between the drive rollers 12 and will be supported on the two drive rollers at the location of the transition area 194 .
- Positioning the spreading element 190 can be done quickly and expertly partially as a result of the presence of the recesses 195 a - 195 b , which thus provide a clearance that makes it possible to place or position the spreading element 190 according to the invention between the drive rollers 12 .
- the spreading element 190 is provided with a first set of two opposite guide rollers 191 a - 191 b , which first guide rollers 191 a - 191 b are each supported on one of the drivable first drive rollers 12 forming part of the discharge means.
- Each guide roller 191 a - 191 b is to that end disposed in slots 197 a - 197 b .
- the spreading element is provided with a second set of two opposite second guide rollers 192 a - 192 b near its outlet side, which second guide rollers are likewise disposed in slots or recesses 198 a - 198 b in the spreading element.
- the second guide rollers 192 a - 192 b are supported on drivable second drive/pressure rollers.
- At least the first drive rollers 12 are in part provided with a contact surface that has a lower coefficient of friction than the guide rollers 191 a - 191 b .
- the contact surface may consist of a plastic material, for example.
- the foil envelope can be automatically introduced into the device, so that the device can be automatically prepared or reset.
- the drive rollers may be provided with orientation means for precisely orienting and fixing the spreading element 190 in the correct orientation of the device.
- the orientation means may to that end form part of the discharge means and, for example, comprise a ridge 12 a formed on the first drive rollers 12 , which ridge 12 a engages in a groove (not shown) formed in the circumferential surface of the first guide rollers 191 a - 191 b .
- the sleeve like foil material is converted from the flat orientation in which it is supplied into an open shape in an even manner and with a minimum of material stresses, making it possible to arrange it around an object.
- the conversion of the flat foil material into an open sleeve-like foil element over the spreading element with a minimum of material stresses or distortions is illustrated in the side views of FIGS. 3( a ) and 3 ( b ), in which references X and Y are two imaginary lines extending along the outer circumference of the spreading element.
- the imaginary line X is located in the plane formed by the flat element portion 190 a (see FIGS. 2 a and 2 b ) and is located between the imaginary points A-A′.
- the imaginary point A is located at the side edge of the flat element portion 190 a , whilst the imaginary point A′ is located at the outlet side of the spreading element.
- the imaginary line X extends along the spreading element in the plane of the flat element portion and along or through the recess 195 a or 195 b .
- the imaginary line Y extends in a straight line between the points B and B′ on the other side of the spreading element.
- the imaginary point B is located at the upper side of the element portion, near the flat element portion 190 a , whilst the imaginary point B′ is located on the outlet side of the spreading element.
- the spreading element is constructed so that the imaginary lines X and Y have the same length. This means that the foil material being carried over the spreading element will cover substantially the same distance on all sides of the spreading element while being converted from a flat foil sleeve into an open foil sleeve. This specific construction of the spreading element results in a minimum of material stresses in the foil material, so that standstill of the device is prevented as much as possible.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Making Paper Articles (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Packaging Of Special Articles (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
A device for arranging a sleeve-like foil envelope around an object, including supply means for supplying said sleeve-like foil envelope around at least one spreading element in a horizontal orientation, as well as discharge means for discharging the sleeve-like foil envelope from the device and arranging it around the object, wherein said spreading element has an inlet side configured as a flat element portion, an outlet side and a transition area located between said inlet side and said outlet side, and wherein said spreading element widens towards the transition area in a direction perpendicular to the plane of the flat element portion, whilst the spreading element has an at least substantially constant circumference at least in the direction from the inlet side to the transition area.
Description
- The invention relates to a device for arranging a sleeve-like foil envelope around an object, comprising supply means for supplying said sleeve-like foil envelope around at least one spreading element in a horizontal orientation, as well as discharge means for discharging the sleeve-like foil envelope from the device and arranging it around the object, wherein said spreading element has an inlet side configured as a flat element portion, an outlet side and a transition area located between said inlet side and said outlet side, and wherein said spreading element widens towards the transition area in a direction perpendicular to the plane of the flat element portion, whilst the spreading element has an at least substantially constant circumference at least in the direction from the inlet side to the transition area.
- The invention also relates to a spreading element for use in such a device.
- Such a device is disclosed in, for example, European patent application no. 0763498. In said device, the foil envelope has been pre-produced in the form of a continuous strip, which is wound on a supply reel and which is to be cut to the correct length by means of a device as described in the introductory paragraph. The individual flat sleeve-like foil envelopes must subsequently be opened by means of a spreading element and be arranged around an object, such as a bottle or a container, with some oversize.
- The foil material used therewith is made of a so-called shrink material, which shrinks as a result of heat being applied and which forms with a close fit to the shape of the bottle or container around which the sleeve-like envelope has been arranged.
- A drawback of the known device is that it is only suitable for use with thick or stiff foil materials in order to thus realise a high handling rate. When thinner or more flexible foil materials are used, the handling rate must be reduced in order to prevent undesirable jamming of the device. Said jamming of the device is caused by friction and creasing phenomena, among other factors, which manifest themselves more strongly when thin foils are being handled.
- It has furthermore been found that the foil material becomes distorted when the flat strip of foil material is being supplied around the spreading element, which may result in undesirable material stresses in the material, which may lead to damage and/or rupture. Furthermore, the foil material cannot be adequately arranged around the product in that case and, on the other hand, the distortions in the material may lead to blocking and standstill of the device.
- The object of the invention is to obviate these drawbacks, and in order to accomplish that object the device is characterised in that the spreading element has an at least substantially constant circumference, at least in the direction from the inlet side to the outlet side, such that the foil material being carried over the spreading element will cover substantially the same distance on all sides of the spreading element upon being converted from a flat foil sleeve to an open foil sleeve.
- In this way an effective deformation of the foil material is realised, so that said foil material is converted from the flat orientation in which it is introduced into the device to an open orientation, and that with a minimum extent of distortion, such as creases.
- More in particular, all kinds of stress concentrations in the foil material are minimized, making it possible to use even thinner foils and realise higher throughput rates.
- In a specific embodiment of the invention, the spreading element can be supported on the discharge means, which discharge means are located in the plane of the flat element part, the spreading element being provided with a first set of opposite first guide rollers at the location of the transition area, which first guide rollers can be supported on a drivable first drive roller that forms part of the discharge means.
- More specifically, the spreading element can be freely suspended in the device. This enables easy re-setting of the device for another type or sort of foil material and a corresponding spreading element. As a result of the suspended position, the crease formed upon deformation of the foil material into a sleeve may be smoothed out, so that the sleeve will have a rounder shape, making it easier to arrange the sleeve over the product.
- More specifically, the spreading element can be supported on the discharge means, wherein the spreading element is in particular provided with a first set of opposite first guide rollers at the location of the transition area, which first guide rollers can be supported on one of the drivable first drive rollers that form part of the discharge means.
- Said set of opposite first guide rollers may consist of two guide rollers.
- In one embodiment, the spreading element is provided with a second set of opposite second guide rollers near its outlet side, which second guide rollers can be supported on one of the drivable second drive rollers that form part of the discharge means.
- Said second set of opposite second guide rollers may consist of two guide rollers.
- All pairs of rollers consisting of a driven roller and a guide roller are in continuous contact with the driving gear, making it possible to realise high rates of movement or accelerations of the foil material through the device without subjecting the foil to inertia forces. Furthermore, this makes it possible for the foil material to be automatically fed into the device, so that re-setting the device can take place more efficiently, since it is no longer necessary in that case to guide the foil material manually between and past the various rollers.
- Since the guide rollers may be accommodated in recesses provided in the spreading element, small overall dimensions can be realised, whilst exchanging the spreading element in the device can take place in a quick and efficient manner.
- In order to prevent material stresses in the foil material resulting from possible differences in speed between the drive rollers and the guide rollers, at least the first drive rollers are according to the invention at least partially provided with a contact surface that has a lower coefficient of friction than the guide rollers. Said contact surface may be made of plastic material, for example.
- Furthermore, the discharge means may be provided with orientation means for orienting the spreading element in the device, in particular perpendicularly to the device. This makes it possible to realise a correct fixation and orientation of the spreading element in the device, whilst also the exchanging operation can be carried out quickly and without additional adjusting operations being required.
- Said orientation means may comprise at least one ridge formed on the first drive rollers, which ridge engages in the first guide rollers.
- The foil exhibits a single curved plane near the driven pairs of rollers, so that the occurrence of stresses in the foil will be minimal.
- According to another embodiment, the element portion has a cylindrical, an oval or a polygonal shape.
- The invention will now be explained in more detail with reference to a drawing, in which:
-
FIG. 1 shows an embodiment of a device according to the prior art; -
FIGS. 2 a and 2 b are views of an embodiment of a spreading device according to the invention; -
FIGS. 3 a and 3 b are views showing another aspect of a spreading element according to the invention. - For a better understanding of the invention, like parts will be indicated by identical numerals in the description of the figures below.
- In
FIG. 1 ,numeral 10 indicates a device according to the prior art. Thedevice 10 comprises supply means or conveying means 12 built up of two drivable rollers, between which a continuous strip offoil material 1 can be passed. The continuous strip offoil material 1 is wound on asupply reel 11 and is introduced into the device via atensioning mechanism 13. Thetensioning mechanism 13 comprises anarm 13 a, which is pivotally connected to the device. Thepivot arm 13 a hasseveral rollers 13 b, over which the continuous strip of sleeve-like foil material 1 is passed. The strip of sleeve-like foil material 1 is also passed over additional, fixedly disposedrollers 13 c. In this way it is possible on the one hand to realise a certain amount of stock in the continuous strip of sleeve-like foil material being unwound from the real 11, but above all it is possible to set up a certain tension therein. - The supply means 12 carry the continuous strip of sleeve-
like foil material 1 past cutting means 14 for cutting thefoil material 1 through at certain intervals so as to obtain individual sleeve-like foil envelopes 1′. All kinds of embodiments of the cutting means 14 are possible, which embodiments can be assumed to be known to those of average skill in the art. A spreadingelement 19 is provided at the location of the cutting means 14 and the discharge side of thedevice 10, which element functions to open the obtained individual flat sleeve-like foil envelopes 1′ for arranging the open sleeve-like foil envelope around acontainer 2. - As is clearly shown in
FIG. 1 , the spreadingelement 19 is widened at least in the plane perpendicular to the plane of the flat continuous strip offoil material 1. Thus, the individual flat sleeve-like foil envelopes . . . -1′−1-1′0-1′+1- . . . are opened, so that they can be readily arranged around a container . . . -2′1-2′0-2′+1- . . . . The containers . . . -2′−1-2′0-2′+1- . . . are moved by conveying means, which are assumed to be known per se, which conveyingmeans 21 comprise acarrier 21 a, on which several containers (bottles, jars or cans) are present, which containers are conveyed to thedevice 10. - Each individual flat sleeve-like foil envelope . . . -1′−1-1′0-1′+1- . . . is opened by the spreading
element 19 and cut loose from the strip offoil material 1 by the cutting means 14, whereupon the thus opened sleeve-like foil envelope can be easily arranged over a container . . . -2′−1-2′0-2′+1- . . . that is ready and waiting. The containers . . . -2′−1-2′0-2′+1- . . . with the opened sleeve-like foil envelopes . . . -1′+1-1′0-1′+1- . . . arranged thereover can now be discharged from thedevice 10 via thecarrier 21 a and be subjected to a heat treatment elsewhere, so that the sleeve-like foil envelope . . . -1′−1-1′0-1′+1- . . . will shrink and form a close-fitting envelope around the container. - To assist in the discharge of the individual foil envelope . . . -1′−1-1′0-1′+1- . . . surrounding the container . . . -2′−1-2′0-2′+1- . . . , discharge means 20 may be provided, which are incorporated in the device at the location of the spreading
element 19. Said discharge means may comprise one or moredrivable rollers 20 a, which are supported on thestationary rollers 20 b and which discharge the sleeve-like foil material 1′ extending therebetween from thedevice 10 at an accelerated rate, with the individual, opened foil envelope . . . -1′−1-1′0-1′+1- . . . “slipping” over a container . . . -2′−1-2′0-2′+1- . . . , as it were. - When a sleeve-
like foil envelope 1′ is to be arranged around acontainer 2, the foil envelope needs to be placed in an open position by the spreadingelement 19 so as to make it possible to arrange the envelope quickly and easily over thecontainer 2. -
FIGS. 2 a and 2 b show embodiments of a spreading element ormandrel 190 according to the invention. - The spreading
element 190 comprises aflat element portion 190 a, which is configured as a flat plate having edges 193. Theflat element portion 190 a functions as an inlet side for the sleeve-like foil envelopes 1, which are supplied to the device in a flat orientation. - To open the individual flat sleeve-
like foil envelope 1′ so as to make it possible to arrange the open sleeve-like foil element around acontainer 2, the spreadingelement 190 must open theflat foil envelope 1′ placed over theflat element portion 190 a. It is desirable in that regard for the foil material to be deformed without stress concentrations in the foil material leading to distortions or tears, which would result in jamming and/or standstill of the device. - As
FIG. 2 a clearly shows, the spreadingelement 190 comprises atransition area 194, in which the spreadingelement 190 widens from theflat element portion 190 a towards thetransition area 194 in a direction perpendicular to the plane of the flat element portion (and consequently also of the flat sleeve-like foil envelope). This is clearly shown inFIG. 2 b by means ofreference numerals 196, which clearly indicate the widening of theflat element portion 190 a towards thetransition area 194. - More specifically, the
flat element portion 190 a is so constructed that it narrows towards thetransition area 194, seen in the plane of the flat element portion. This is illustrated by means of the flange edges 193 inFIGS. 2 a and 2 b, which flange edges have a curved but inwardly extending construction. - Accordingly, the spreading element is constructed so that it has a substantially constant circumference, at least in the direction from the inlet side (or the
flat element portion 190 a) towards thetransition area 194, more in particular a substantially constant circumference towards the outlet side. - This configuration of the
flat element portion 190 a makes it possible to realise an efficient deformation of the flat sleeve-like foil element to an open sleeve-like foil element, which can be arranged around aproduct 2, without any disadvantageous material stresses occurring. - As is clearly shown in
FIGS. 2 a and 2 b, the spreadingelement 190 has a cylindrical shape near theoutlet side 190 b, in which connection it is noted that the external dimension of the spreadingelement 190 at the location where the open sleeve-like foil element 1′ is arranged around theproduct 2 0 is larger than the dimension of the spreadingelement 190 at thetransition area 194, which is represented as being square. The spreadingelement 190 may also have a different shape, however, such as an oval shape or a polygonal shape, such as a square, a rectangular or a multiangular shape. - The spreading
element 190 is to that end provided with two recesses 195 a-195 b at the location of the transition area, which recesses are formed by material removed from the spreading element, the functionality of which recesses will be discussed yet hereinafter. - More in particular, the spreading
element 190 can be freely suspended in the device, being supported on the discharged means 12, as is clearly shown inFIG. 2 a.Reference numeral 12 indicates a first set of two opposite first drive rollers, which are fixedly connected to an immovable structure or to the frame structure of the device. The spreadingelement 190 can be positioned between thedrive rollers 12 and will be supported on the two drive rollers at the location of thetransition area 194. - Positioning the spreading
element 190 can be done quickly and expertly partially as a result of the presence of the recesses 195 a-195 b, which thus provide a clearance that makes it possible to place or position the spreadingelement 190 according to the invention between thedrive rollers 12. - In order to realise an efficient support of the spreading
element 190 against thedrive rollers 12 in the device, the spreadingelement 190 is provided with a first set of two opposite guide rollers 191 a-191 b, which first guide rollers 191 a-191 b are each supported on one of the drivablefirst drive rollers 12 forming part of the discharge means. - Each guide roller 191 a-191 b is to that end disposed in slots 197 a-197 b. In order to obtain an adequate orientation of the spreading
element 190 in the device, the spreading element is provided with a second set of two opposite second guide rollers 192 a-192 b near its outlet side, which second guide rollers are likewise disposed in slots or recesses 198 a-198 b in the spreading element. The second guide rollers 192 a-192 b are supported on drivable second drive/pressure rollers. - In order to prevent material stresses in the foil material, which stresses may occur as a result of differences in speed between the
drive rollers 12 and the guide rollers 191 a-191 b, at least thefirst drive rollers 12 are in part provided with a contact surface that has a lower coefficient of friction than the guide rollers 191 a-191 b. The contact surface may consist of a plastic material, for example. - Because several drive rollers are in contact with the spreading element, which drive rollers are furthermore all driven rollers, the foil envelope can be automatically introduced into the device, so that the device can be automatically prepared or reset.
- Although this is not shown in the figures, the drive rollers may be provided with orientation means for precisely orienting and fixing the spreading
element 190 in the correct orientation of the device. The orientation means may to that end form part of the discharge means and, for example, comprise aridge 12 a formed on thefirst drive rollers 12, whichridge 12 a engages in a groove (not shown) formed in the circumferential surface of the first guide rollers 191 a-191 b. This makes it possible to realise a correct fixation and orientation of the spreadingelement 190 in the device, whilst also the exchanging of the spreadingelement 190 can be carried out quickly and without any additional adjustments, and thus without unnecessary loss of time. - It will be understood that, using the spreading element as described above, it is possible to handle thinner foil materials at an even higher operating rate, resulting in an increased capacity regarding the number of products to be processed per unit time.
- As a result of the effective construction of the spreading element, conversion of the flat foil material from a flat orientation into an open sleeve-like foil element, which can be arranged around a product (such as a shampoo bottle), can take place without unnecessary distortions or damage.
- Since the spreading element has a substantially constant diameter at least up to the transition area, the sleeve like foil material is converted from the flat orientation in which it is supplied into an open shape in an even manner and with a minimum of material stresses, making it possible to arrange it around an object. The conversion of the flat foil material into an open sleeve-like foil element over the spreading element with a minimum of material stresses or distortions is illustrated in the side views of
FIGS. 3( a) and 3(b), in which references X and Y are two imaginary lines extending along the outer circumference of the spreading element. - The imaginary line X is located in the plane formed by the
flat element portion 190 a (seeFIGS. 2 a and 2 b) and is located between the imaginary points A-A′. The imaginary point A is located at the side edge of theflat element portion 190 a, whilst the imaginary point A′ is located at the outlet side of the spreading element. The imaginary line X extends along the spreading element in the plane of the flat element portion and along or through therecess flat element portion 190 a, whilst the imaginary point B′ is located on the outlet side of the spreading element. - The spreading element is constructed so that the imaginary lines X and Y have the same length. This means that the foil material being carried over the spreading element will cover substantially the same distance on all sides of the spreading element while being converted from a flat foil sleeve into an open foil sleeve. This specific construction of the spreading element results in a minimum of material stresses in the foil material, so that standstill of the device is prevented as much as possible.
Claims (14)
1. A device for arranging a sleeve-like foil envelope around an object, comprising
supply means for supplying said sleeve-like foil envelope around at least one spreading element in a horizontal orientation, as well as
discharge means for discharging the sleeve-like foil envelope from the device and arranging it around the object, wherein
said spreading element has an inlet side configured as a flat element portion, an outlet side and a transition area located between said inlet side and said outlet side, and wherein
said spreading element widens towards the transition area in a direction perpendicular to the plane of the flat element portion, whilst
the spreading element has an at least substantially constant circumference at least in the direction from the inlet side to the transition area, characterised in that the spreading element has an at least substantially constant circumference, at least in the direction from the inlet side to the outlet side, such that the foil material being carried over the spreading element will cover substantially the same distance on all sides of the spreading element upon being converted from a flat foil sleeve to an open foil sleeve.
2. A device according to claim 1 , characterised in that the spreading element can be supported on the discharge means, which discharge means are located in the plane of the flat element part, the spreading element being provided with a first set of opposite first guide rollers at the location of the transition area, which first guide rollers can be supported on a drivable first drive roller that forms part of the discharge means.
3. A device according to claim 2 , characterised in that the guide rollers are so disposed in the transition area that the foil exhibits a single curvature in the region of the rollers, so that the occurrence of material stresses in the foil material is minimized.
4. A device according to claim 1 , 2 or 3 , characterised in that the spreading element can be freely suspended in the device.
5. A device according to any one of the preceding claims, characterised in that said first set of opposite first guide rollers consists of two guide rollers.
6. A device according to any one of the preceding claims, characterised in that the spreading element is provided with a second set of opposite second guide rollers near its outlet side, which second guide rollers can be supported on one of the drivable second drive rollers that form part of the discharge means.
7. A device according to claim 6 , characterised in that said second set of opposite second guide rollers consists of two guide rollers.
8. A device according to any one of the preceding claims, characterised in that the guide rollers are accommodated in recesses provided in the spreading element.
9. A device according to one or more of the preceding claims, characterised in that at least the first drive rollers are at least partially provided with a contact surface that has a lower coefficient of friction than the guide rollers.
10. A device according to one or more of the preceding claims, characterised in that said first and/or said second guide rollers function as pressure rollers for smoothing any creases formed in the foil material.
11. A device according to one or more of the preceding claims, characterised in that the discharge means are provided with orientation means for orienting the spreading element in the device.
12. A device according to claim 11 , characterised in that said orientation means comprise at least one ridge formed on the first drive rollers, which ridge engages in the first guide rollers.
13. A device according to one or more of the preceding claims, characterised in that the element portion has a cylindrical, an oval or a polygonal shape.
14. A spreading element according to one or more of the preceding claims.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1037282 | 2009-09-14 | ||
NL1037282A NL1037282C2 (en) | 2009-09-14 | 2009-09-14 | DEVICE FOR FITTING AN OBJECT OF A COVERED FILM COVER AND A SPREAD ELEMENT FOR USE IN SUCH A DEVICE. |
PCT/NL2010/050590 WO2011031160A1 (en) | 2009-09-14 | 2010-09-14 | A device for arranging a sleeve-like foil envelope around an object as well as a spreading element for use in such a device |
Publications (1)
Publication Number | Publication Date |
---|---|
US20130061559A1 true US20130061559A1 (en) | 2013-03-14 |
Family
ID=42097337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/394,439 Abandoned US20130061559A1 (en) | 2009-09-14 | 2010-09-14 | Device for arranging a sleeve-like foil envelope around an object as well as a spreading element for use in such a device |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130061559A1 (en) |
EP (1) | EP2477896B1 (en) |
ES (1) | ES2420613T3 (en) |
MX (1) | MX2012003054A (en) |
NL (1) | NL1037282C2 (en) |
WO (1) | WO2011031160A1 (en) |
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US20140366487A1 (en) * | 2013-06-17 | 2014-12-18 | Fuji Seal International, Inc. | Container sleeving method and device |
US20150344159A1 (en) * | 2014-05-28 | 2015-12-03 | Fuji Seal International, Inc. | Spreading unit, container sleeving device and method for sleeving containers |
US20170043898A1 (en) * | 2014-04-29 | 2017-02-16 | Abbott Laboratories | Mandrel for sleeve labeler |
LU101715B1 (en) | 2020-03-30 | 2021-09-30 | Fuji Seal Int Inc | Method of making a sleeve for covering receptacle, apparatus for making sleeve |
US11505356B2 (en) * | 2016-10-12 | 2022-11-22 | Fuji Seal International, Inc. | Device and system for arranging folds in foil material |
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US8681619B2 (en) | 2010-04-08 | 2014-03-25 | Landis+Gyr Technologies, Llc | Dynamic modulation selection |
DE102011082452A1 (en) | 2011-09-09 | 2013-03-14 | Krones Aktiengesellschaft | Expander mandrel for expanding a label tube |
NL2007730C2 (en) | 2011-11-07 | 2013-07-18 | Fuji Seal Europe Bv | Method and system for forming sleeved containers. |
NL2007785C2 (en) | 2011-11-14 | 2013-05-16 | Fuji Seal Europe Bv | Mandrel to be suspended in a sleeving device for arranging sleeves around containers, sleeving device and method for arranging sleeves around containers. |
NL2007783C2 (en) | 2011-11-14 | 2013-05-16 | Fuji Seal Europe Bv | Sleeving device and method for arranging tubular sleeves around containers. |
NL2008718C2 (en) | 2012-04-26 | 2013-10-29 | Fuji Seal Europe Bv | Labelling plant and method for fixing sleeves around containers. |
NL2010272C2 (en) | 2012-07-02 | 2014-01-06 | Fuji Seal Europe Bv | Container sleeving method and system for fixing a sleeve around a container. |
DE102014216190A1 (en) * | 2014-08-14 | 2016-02-18 | Krones Ag | Apparatus and method for applying a shrink film sleeve |
US11345078B2 (en) | 2016-04-19 | 2022-05-31 | Fuji Seal International, Inc. | Container sleeving device, system and method |
NL2016934B1 (en) | 2016-06-10 | 2018-01-16 | Fuji Seal Int Inc | Method, apparatus and system for attaching a label on a product |
WO2018070872A1 (en) | 2016-10-12 | 2018-04-19 | Fuji Seal Europe B.V. | Device and system for arranging folds in foil material |
NL2022626B1 (en) | 2019-02-22 | 2020-08-31 | Fuji Seal Int Inc | Method, apparatus and system for attaching a label on a product |
DE202021103111U1 (en) | 2021-06-09 | 2022-09-28 | Krones Aktiengesellschaft | Mandrel for expanding and guiding a label tube |
NL2032481B1 (en) | 2022-07-13 | 2024-01-25 | Sleeve Tech B V | Device for applying a sleeve-shaped envelope around a product, as well as a spreading device for use therein. |
WO2024079576A1 (en) * | 2022-10-14 | 2024-04-18 | Fuji Seal Europe B.V. | Mandrel and method of spreading open a flattened tubular foil |
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Also Published As
Publication number | Publication date |
---|---|
ES2420613T3 (en) | 2013-08-26 |
EP2477896A1 (en) | 2012-07-25 |
EP2477896B1 (en) | 2013-06-19 |
MX2012003054A (en) | 2012-07-25 |
NL1037282C2 (en) | 2011-03-15 |
WO2011031160A1 (en) | 2011-03-17 |
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Legal Events
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Owner name: FUJI SEAL EUROPE B.V., NETHERLANDS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:VAN RIJSEWIJK, LUCAS;HOEBEN, WILHELMUS JOHANNES FRANCISCUS;HADFY-KOVACS, IMRE;SIGNING DATES FROM 19981221 TO 20120320;REEL/FRAME:033914/0736 |
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Owner name: FUJI SEAL INTERNATIONAL, INC., JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FUJI SEAL EUROPE B.V.;REEL/FRAME:033946/0808 Effective date: 20140804 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |